if (this.help || !this.url) {
	usage('url=<URL>');
} else {
	include('chrome://technika/content/technika.js');

	try {
		var q = new XMLHttpRequest();
		q.open('GET', url, false);
		q.send(null);

		code(q.responseText);
	} catch (e) {
		error("cannot retrieve url '" + this.url + "'");
	}
}
